Multi-step reaction with 21 steps
1: 75 percent / NaBH4 / methanol / 0.17 h / -40 °C
2: 100 percent / Et3N / CH2Cl2 / 0.25 h / -25 °C
3: 84 percent / 1 h / 60 °C / HMPT
4: 100 percent / 5percent KOH / ethanol / 0.5 h / Ambient temperature
5: 73 percent / KHCO3, I2, KI / H2O / 6 h / Ambient temperature
6: 83 percent / DBU / benzene / 1.5 h / Ambient temperature
7: 100 percent / NaBH4 / ethanol / 0.83 h / Ambient temperature
8: p-TsOH / CH2Cl2 / 0.33 h / 0 °C
9: 100 percent / 10percent NaOH / ethanol / 16 h / 100 °C
10: 1.) KI, I2, KHCO3, 2.) p-TsOH / 1.) water, 1 h, r.t., 2.) CH2Cl2
11: 92 percent / n-Bu3SnH, ABIN / benzene / 0.5 h / 15 °C / Irradiation
12: 1.) DIBAL, 2.) dimsylsodium / 1.) toluene, -78 deg C, 20 min, 2.) DMSO, 45 deg C, 2 h, 3.) ether
13: 88 percent / PCC / CH2Cl2 / 1.5 h
14: 1.) NaBH4, 2.) Et3N / 1.) MeOH, -40 deg C, 15 min, 2.) CH2Cl2, -25 deg C, 30 min
15: 400 mg / NaH / dimethylsulfoxide / 24 h / 45 °C
16: PPTS / methanol / 1 h / 60 °C
17: 43 percent / Et3N / CH2Cl2 / 0.33 h / -25 °C
18: 1.) camphorsulfonic acid, 2.) KF / 1.) CH2Cl2, 0 deg C, 10 min, 2.) HMPT, 60 deg C, 20 min
19: 1.) CrO3, 2.) NaH / 1.) pyridine, 0 deg C, 20 min, 2.) THF, r.t., 2 h
20: 46 percent / NaBH4 / methanol / 15 h / -40 °C
With
chromium(VI) oxide; potassium fluoride; potassium hydroxide; sodium hydroxide; sodium tetrahydroborate; camphor-10-sulfonic acid; dimsylsodium; iodine; tri-n-butyl-tin hydride; pyridinium p-toluenesulfonate; sodium hydride; diisobutylaluminium hydride; potassium hydrogencarbonate; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; pyridinium chlorochromate; potassium iodide;
In
methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; benzene;
DOI:10.1016/S0040-4020(01)88649-X